How sweet is this?!

My family has decided to play a game and told us about it Saturday. They each guess the birth weight of our baby. Then, when he is born, the winner (closest guess) gets something (they haven't decided what yet) and everyone else puts their weight guess into a savings account for Jackson. Ex: My mom guessed 8lbs13oz, so if she isn't the closest, she has to put $8.13 into the account! I have never heard of this, but I thought it was so sweet!!! Just wanted to share!